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mirror of https://invent.kde.org/network/falkon.git synced 2024-11-11 17:42:10 +01:00
falkonOfficial/src/lib/navigation/websearchbar.cpp
2017-08-25 17:32:32 +02:00

338 lines
10 KiB
C++

/* ============================================================
* Falkon - Qt web browser
* Copyright (C) 2010-2017 David Rosca <nowrep@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#include "websearchbar.h"
#include "browserwindow.h"
#include "mainapplication.h"
#include "tabbedwebview.h"
#include "webpage.h"
#include "settings.h"
#include "qzsettings.h"
#include "tabwidget.h"
#include "clickablelabel.h"
#include "buttonwithmenu.h"
#include "searchenginesmanager.h"
#include "searchenginesdialog.h"
#include "networkmanager.h"
#include "iconprovider.h"
#include "scripts.h"
#include <QMimeData>
#include <QAbstractItemView>
#include <QCompleter>
#include <QStringListModel>
#include <QMenu>
#include <QTimer>
#include <QClipboard>
#include <QContextMenuEvent>
WebSearchBar_Button::WebSearchBar_Button(QWidget* parent)
: ClickableLabel(parent)
{
setObjectName("websearchbar-searchbutton");
setCursor(QCursor(Qt::PointingHandCursor));
setFocusPolicy(Qt::ClickFocus);
}
void WebSearchBar_Button::contextMenuEvent(QContextMenuEvent* event)
{
event->accept();
}
WebSearchBar::WebSearchBar(BrowserWindow* window)
: LineEdit(window)
, m_window(window)
, m_reloadingEngines(false)
{
setObjectName("websearchbar");
setDragEnabled(true);
m_buttonSearch = new WebSearchBar_Button(this);
m_boxSearchType = new ButtonWithMenu(this);
m_boxSearchType->setObjectName("websearchbar-searchprovider-comobobox");
// RTL Support
// If we don't add 'm_boxSearchType' by following code, then we should use suitable padding-left value
// but then, when typing RTL text the layout dynamically changed and within RTL layout direction
// padding-left is equivalent to padding-right and vice versa, and because style sheet is
// not changed dynamically this create padding problems.
addWidget(m_boxSearchType, LineEdit::LeftSide);
addWidget(m_buttonSearch, LineEdit::RightSide);
connect(m_buttonSearch, SIGNAL(clicked(QPoint)), this, SLOT(search()));
connect(m_buttonSearch, SIGNAL(middleClicked(QPoint)), this, SLOT(searchInNewTab()));
connect(m_boxSearchType, SIGNAL(activeItemChanged(ButtonWithMenu::Item)), this, SLOT(searchChanged(ButtonWithMenu::Item)));
setWidgetSpacing(0);
m_searchManager = mApp->searchEnginesManager();
connect(m_boxSearchType->menu(), SIGNAL(aboutToShow()), this, SLOT(aboutToShowMenu()));
m_completer = new QCompleter(this);
m_completer->setCompletionMode(QCompleter::UnfilteredPopupCompletion);
m_completerModel = new QStringListModel(this);
m_completer->setModel(m_completerModel);
m_completer->popup()->setMinimumHeight(90);
setCompleter(m_completer);
connect(m_completer->popup(), &QAbstractItemView::activated, this, &WebSearchBar::search);
m_openSearchEngine = new OpenSearchEngine(this);
m_openSearchEngine->setNetworkAccessManager(mApp->networkManager());
connect(m_openSearchEngine, SIGNAL(suggestions(QStringList)), this, SLOT(addSuggestions(QStringList)));
connect(this, SIGNAL(textEdited(QString)), m_openSearchEngine, SLOT(requestSuggestions(QString)));
editAction(PasteAndGo)->setText(tr("Paste And &Search"));
editAction(PasteAndGo)->setIcon(QIcon::fromTheme(QSL("edit-paste")));
connect(editAction(PasteAndGo), SIGNAL(triggered()), this, SLOT(pasteAndGo()));
QTimer::singleShot(0, this, SLOT(setupEngines()));
}
void WebSearchBar::aboutToShowMenu()
{
QMenu* menu = m_boxSearchType->menu();
menu->addSeparator();
m_window->weView()->page()->runJavaScript(Scripts::getOpenSearchLinks(), WebPage::SafeJsWorld, [this, menu](const QVariant &res) {
const QVariantList &list = res.toList();
Q_FOREACH (const QVariant &val, list) {
const QVariantMap &link = val.toMap();
QUrl url = m_window->weView()->url().resolved(link.value(QSL("url")).toUrl());
QString title = link.value(QSL("title")).toString();
if (url.isEmpty())
continue;
if (title.isEmpty())
title = m_window->weView()->title();
menu->addAction(m_window->weView()->icon(), tr("Add %1 ...").arg(title), this, SLOT(addEngineFromAction()))->setData(url);
}
menu->addSeparator();
menu->addAction(IconProvider::settingsIcon(), tr("Manage Search Engines"), this, SLOT(openSearchEnginesDialog()));
});
}
void WebSearchBar::addSuggestions(const QStringList &list)
{
if (qzSettings->showSearchSuggestions) {
QStringList list_ = list.mid(0, 6);
m_completerModel->setStringList(list_);
m_completer->complete();
}
}
void WebSearchBar::openSearchEnginesDialog()
{
if (!m_searchDialog)
m_searchDialog = new SearchEnginesDialog(this);
m_searchDialog->open();
m_searchDialog->raise();
m_searchDialog->activateWindow();
}
void WebSearchBar::enableSearchSuggestions(bool enable)
{
Settings settings;
settings.beginGroup("SearchEngines");
settings.setValue("showSuggestions", enable);
settings.endGroup();
qzSettings->showSearchSuggestions = enable;
m_completerModel->setStringList(QStringList());
}
void WebSearchBar::setupEngines()
{
disconnect(m_searchManager, SIGNAL(enginesChanged()), this, SLOT(setupEngines()));
m_reloadingEngines = true;
QString activeEngine = m_searchManager->startingEngineName();
if (m_boxSearchType->allItems().count() != 0) {
activeEngine = m_activeEngine.name;
}
m_boxSearchType->clearItems();
foreach (const SearchEngine &en, m_searchManager->allEngines()) {
ButtonWithMenu::Item item;
item.icon = en.icon;
item.text = en.name;
QVariant v;
v.setValue<SearchEngine>(en);
item.userData = v;
m_boxSearchType->addItem(item);
if (item.text == activeEngine) {
m_boxSearchType->setCurrentItem(item, false);
}
}
searchChanged(m_boxSearchType->currentItem());
connect(m_searchManager, SIGNAL(enginesChanged()), this, SLOT(setupEngines()));
m_reloadingEngines = false;
}
void WebSearchBar::searchChanged(const ButtonWithMenu::Item &item)
{
setPlaceholderText(item.text);
m_completerModel->setStringList(QStringList());
m_activeEngine = item.userData.value<SearchEngine>();
m_openSearchEngine->setSuggestionsUrl(m_activeEngine.suggestionsUrl);
m_openSearchEngine->setSuggestionsParameters(m_activeEngine.suggestionsParameters);
m_searchManager->setActiveEngine(m_activeEngine);
if (qzSettings->searchOnEngineChange && !m_reloadingEngines && !text().isEmpty()) {
search();
}
}
void WebSearchBar::instantSearchChanged(bool enable)
{
Settings settings;
settings.beginGroup("SearchEngines");
settings.setValue("SearchOnEngineChange", enable);
settings.endGroup();
qzSettings->searchOnEngineChange = enable;
}
void WebSearchBar::search()
{
m_window->weView()->setFocus();
m_window->weView()->load(m_searchManager->searchResult(m_activeEngine, text()));
}
void WebSearchBar::searchInNewTab()
{
int index = m_window->tabWidget()->addView(QUrl());
m_window->weView(index)->setFocus();
m_window->weView(index)->load(m_searchManager->searchResult(m_activeEngine, text()));
}
void WebSearchBar::addEngineFromAction()
{
if (QAction* action = qobject_cast<QAction*>(sender())) {
m_searchManager->addEngine(action->data().toUrl());
}
}
void WebSearchBar::pasteAndGo()
{
clear();
paste();
search();
}
void WebSearchBar::contextMenuEvent(QContextMenuEvent* event)
{
Q_UNUSED(event)
QMenu* menu = createContextMenu();
menu->setAttribute(Qt::WA_DeleteOnClose);
menu->addSeparator();
QAction* act = menu->addAction(tr("Show suggestions"));
act->setCheckable(true);
act->setChecked(qzSettings->showSearchSuggestions);
connect(act, SIGNAL(triggered(bool)), this, SLOT(enableSearchSuggestions(bool)));
QAction* instantSearch = menu->addAction(tr("Search when engine changed"));
instantSearch->setCheckable(true);
instantSearch->setChecked(qzSettings->searchOnEngineChange);
connect(instantSearch, SIGNAL(triggered(bool)), this, SLOT(instantSearchChanged(bool)));
// Prevent choosing first option with double rightclick
QPoint pos = event->globalPos();
pos.setY(pos.y() + 1);
menu->popup(pos);
}
void WebSearchBar::focusOutEvent(QFocusEvent* e)
{
if (text().isEmpty()) {
QString search = m_boxSearchType->currentItem().text;
setPlaceholderText(search);
}
LineEdit::focusOutEvent(e);
}
void WebSearchBar::dropEvent(QDropEvent* event)
{
if (event->mimeData()->hasText()) {
QString dropText = event->mimeData()->text();
setText(dropText);
search();
QFocusEvent event(QFocusEvent::FocusOut);
LineEdit::focusOutEvent(&event);
return;
}
LineEdit::dropEvent(event);
}
void WebSearchBar::keyPressEvent(QKeyEvent* event)
{
switch (event->key()) {
case Qt::Key_V:
if (event->modifiers() == (Qt::ControlModifier | Qt::ShiftModifier)) {
pasteAndGo();
event->accept();
return;
}
break;
case Qt::Key_Return:
case Qt::Key_Enter:
if (event->modifiers() == Qt::AltModifier) {
searchInNewTab();
}
else {
search();
}
break;
case Qt::Key_Up:
if (event->modifiers() == Qt::ControlModifier) {
m_boxSearchType->selectPreviousItem();
}
break;
case Qt::Key_Down:
if (event->modifiers() == Qt::ControlModifier) {
m_boxSearchType->selectNextItem();
}
break;
default:
break;
}
LineEdit::keyPressEvent(event);
}